201010111222120 has 64 divisors (see below), whose sum is σ = 454562403235200. Its totient is φ = 79997835237120.

The previous prime is 201010111222099. The next prime is 201010111222153. The reversal of 201010111222120 is 21222111010102.

It is a junction number, because it is equal to n+sod(n) for n = 201010111222094 and 201010111222103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5470860 + ... + 20783419.

It is an arithmetic number, because the mean of its divisors is an integer number (7102537550550).

Almost surely, 2^{201010111222120} is an apocalyptic number.

201010111222120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201010111222120 is an abundant number, since it is smaller than the sum of its proper divisors (253552292013080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201010111222120 is a wasteful number, since it uses less digits than its factorization.

201010111222120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26255258 (or 26255254 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 201010111222120 its reverse (21222111010102), we get a palindrome (222232222232222).

The spelling of 201010111222120 in words is "two hundred one trillion, ten billion, one hundred eleven million, two hundred twenty-two thousand, one hundred twenty".